io.flutter.embedding.engine.RenderingComponentTest Class Reference

Public Member Functions
void	flutterUiDisplayListenersCanRemoveThemselvesWhenInvoked ()
void	flutterUiDisplayListenersAddedAfterFirstFrameAreAutomaticallyInvoked ()
void	flutterUiDisplayListenersAddedAfterFlutterUiDisappearsAreNotInvoked ()

Detailed Description

Definition at line 19 of file RenderingComponentTest.java.

Member Function Documentation

flutterUiDisplayListenersAddedAfterFirstFrameAreAutomaticallyInvoked()

void io.flutter.embedding.engine.RenderingComponentTest.flutterUiDisplayListenersAddedAfterFirstFrameAreAutomaticallyInvoked ( )

inline

Definition at line 55 of file RenderingComponentTest.java.

                                                                                     {
    // Setup test.
    FlutterJNI flutterJNI = new FlutterJNI();
    FlutterRenderer flutterRenderer = new FlutterRenderer(flutterJNI);
 
    FlutterUiDisplayListener listener = mock(FlutterUiDisplayListener.class);
 
    // Pretend we are the native side and tell FlutterJNI that Flutter has rendered a frame.
    flutterJNI.onFirstFrame();
 
    // Execute behavior under test.
    flutterRenderer.addIsDisplayingFlutterUiListener(listener);
 
    // Verify results.
    verify(listener, times(1)).onFlutterUiDisplayed();
  }

flutterUiDisplayListenersAddedAfterFlutterUiDisappearsAreNotInvoked()

void io.flutter.embedding.engine.RenderingComponentTest.flutterUiDisplayListenersAddedAfterFlutterUiDisappearsAreNotInvoked ( )

inline

Definition at line 73 of file RenderingComponentTest.java.

                                                                                    {
    // Setup test.
    FlutterJNI flutterJNI = new FlutterJNI();
    FlutterRenderer flutterRenderer = new FlutterRenderer(flutterJNI);
 
    FlutterUiDisplayListener listener = mock(FlutterUiDisplayListener.class);
 
    // Pretend we are the native side and tell FlutterJNI that Flutter has rendered a frame.
    flutterJNI.onFirstFrame();
 
    // Pretend that rendering has stopped.
    flutterJNI.onRenderingStopped();
 
    // Execute behavior under test.
    flutterRenderer.addIsDisplayingFlutterUiListener(listener);
 
    // Verify results.
    verify(listener, never()).onFlutterUiDisplayed();
  }

flutterUiDisplayListenersCanRemoveThemselvesWhenInvoked()

void io.flutter.embedding.engine.RenderingComponentTest.flutterUiDisplayListenersCanRemoveThemselvesWhenInvoked ( )

inline

Definition at line 21 of file RenderingComponentTest.java.

                                                                        {
    // Setup test.
    FlutterJNI flutterJNI = new FlutterJNI();
    FlutterRenderer flutterRenderer = new FlutterRenderer(flutterJNI);
 
    AtomicInteger listenerInvocationCount = new AtomicInteger(0);
    FlutterUiDisplayListener listener =
        new FlutterUiDisplayListener() {
          @Override
          public void onFlutterUiDisplayed() {
            // This is the behavior we're testing, but we also verify that this method
            // was invoked to ensure that this test behavior executed.
            flutterRenderer.removeIsDisplayingFlutterUiListener(this);
 
            // Track the invocation to ensure this method is called once, and only once.
            listenerInvocationCount.incrementAndGet();
          }
 
          @Override
          public void onFlutterUiNoLongerDisplayed() {}
        };
    flutterRenderer.addIsDisplayingFlutterUiListener(listener);
 
    // Execute behavior under test.
    // Pretend we are the native side and tell FlutterJNI that Flutter has rendered a frame.
    flutterJNI.onFirstFrame();
 
    // Verify results.
    // If we got to this point without an exception, and if our listener was called one time,
    // then the behavior under test is correct.
    assertEquals(1, listenerInvocationCount.get());
  }

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The documentation for this class was generated from the following file:

• shell/platform/android/test/io/flutter/embedding/engine/RenderingComponentTest.java